(;GM[1]FF[4]SZ[19]
GN[Black to play]
PC[http://senseis.xmp.net/?UnderTheStonesProblem4]AP[GoWiki:2009]
DT[2009-04-22]
C[Diagram from http://senseis.xmp.net/?UnderTheStonesProblem4

Black to play]
PL[B]

AB[dn][en][fn][gn][bo][do][ho][cp][aq][bq][gq][hq][cr][dr][hr][hs]
AW[eo][dp][fp][cq][dq][eq][fq][ar][br][er][gr][gs]


;
)
